DOCSIS 3.0 certified. Excellent condition. Used with Cox for 5 months at home currently switching to ATT who uses there own special modem so no longer need this modem. Super fast up to 160 Mbps. Contains everything from original packaging modem, ethernet cable, power adapter, quick install sheet, and ...

I have a Motorola SB6121 modem for sale for 75 obo. It has never been used, absolutely brand new. I bought it thinking I needed it, turned out I didnt, and of course I lost my fing receipt. So let my misfortune help you out a little. Text or callThree5two 4two7 5five8eight Location Killeen

For sale is a New Motorola Surfboard eXtreme cable modem SB6121. Turns out I dont have cable internet so I couldnt use this. I paid 100 for it and couldnt use it so selling it for 45. Its good for online gaming, downloading, and streaming movies...I,eNetflix, Hulu. With up to 160 Mbps you can downloa...

Brand New A new and improved version of the worlds most widely deployed DOCSIS cable modems. For the residential cable subscriber who wants a powerful modem capable of delivering a high-speed data service at blazing fast speeds.10 100 1000 Base-T Ethernet Port RJ-45Two 40mm drivers, 5W each, with b...

this is a Brand New in Box Motorola SURFboard eXtreme Cable Modem SB6121it featuresCompatible with ALL Major CABLE providers Except ATT U-VerseDOCSIS 3.0 CertifiedBackward Compatible to DOCSIS 2.0Capable of Downloading up to 4 times faster than DOCSIS 2.0 broadband cable modemsInternet speeds based on...

this is a Brand New in Box Motorola SURFboard eXtreme Cable Modem SB6121it featuresCompatible with ALL Major CABLE providers Except ATT U-VerseDOCSIS 3.0 CertifiedBackward Compatible to DOCSIS 2.0Capable of Downloading up to 4 times faster than DOCSIS 2.0 broadband cable modemsInternet speeds based on...

I have a gently used Motorola SB6121 up for sale. Its a great modem, Ive used it for about 2 years without issue with Comcast service - an easy way to save $7mo on their fees Now Im trying out ATT for my internet, and they use fiber, so unfortunately I cant use this modem with them. Its in mint condit...